EP1839446A1 - Verfahren und vorrichtung zur echtzeit- parallelkodierung - Google Patents

Verfahren und vorrichtung zur echtzeit- parallelkodierung

Info

Publication number
EP1839446A1
EP1839446A1 EP06718535A EP06718535A EP1839446A1 EP 1839446 A1 EP1839446 A1 EP 1839446A1 EP 06718535 A EP06718535 A EP 06718535A EP 06718535 A EP06718535 A EP 06718535A EP 1839446 A1 EP1839446 A1 EP 1839446A1
Authority
EP
European Patent Office
Prior art keywords
discrete
gops
encoder
multiple processors
encoder instances
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP06718535A
Other languages
English (en)
French (fr)
Inventor
John William Richardson
Richard Edwin Goedeken
Jens Cahnbley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
THOMSON LICENSING
Original Assignee
Thomson Licensing SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36123806&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1839446(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of EP1839446A1 publication Critical patent/EP1839446A1/de
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/127—Prioritisation of hardware or computational resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/174—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/177—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a group of pictures [GOP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Definitions

  • FIG. 1 shows a block diagram for a parallel video encoder architecture in a JVT/H.264/MPEG-4 AVC ("JVT") embodiment, in accordance with the principles of the present invention
  • FIG. 2 shows a flow diagram for a method for parallel video encoding in a JVT/H.264/MPEG-4 AVC ("JVT") embodiment, in accordance with the principles of the present invention
  • FIG. 3 shows a flow diagram for another method for parallel video encoding in a JVT/H.264/MPEG-4 AVC ("JVT") embodiment, in accordance with the principles of the present invention
  • JVT JVT/H.264/MPEG-4 AVC
  • a method and apparatus that parallelize the JVT video encoding process across multiple processors on a temporal Group of Pictures (GOP) basis to achieve real-time encoding.
  • the present invention combines techniques such as, e.g., picture complexity analysis and scene change detection in combination with multi-threaded software scheduling techniques.
  • the teachings of the present invention are implemented as a combination of hardware and software.
  • the software is preferably implemented as an application program tangibly embodied on a program storage unit.
  • the application program may be uploaded to, and executed by, a machine comprising any suitable architecture.
  • the machine is implemented on a computer platform having hardware such as one or more central processing units (“CPU"), a random access memory (“RAM”), and input/output (“I/O") interfaces.
  • CPU central processing units
  • RAM random access memory
  • I/O input/output
  • the computer platform may also include an operating system and microinstruction code.
  • the various processes and functions described herein may be either part of the microinstruction code or part of the application program, or any combination thereof, which may be executed by a CPU.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP06718535A 2005-01-19 2006-01-17 Verfahren und vorrichtung zur echtzeit- parallelkodierung Ceased EP1839446A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64517905P 2005-01-19 2005-01-19
PCT/US2006/001474 WO2006078594A1 (en) 2005-01-19 2006-01-17 Method and apparatus for real time parallel encoding

Publications (1)

Publication Number Publication Date
EP1839446A1 true EP1839446A1 (de) 2007-10-03

Family

ID=36123806

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06718535A Ceased EP1839446A1 (de) 2005-01-19 2006-01-17 Verfahren und vorrichtung zur echtzeit- parallelkodierung

Country Status (6)

Country Link
US (1) US9219917B2 (de)
EP (1) EP1839446A1 (de)
JP (1) JP2008527945A (de)
CN (1) CN101107863B (de)
BR (1) BRPI0606627A2 (de)
WO (1) WO2006078594A1 (de)

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BRPI0606627A2 (pt) 2009-07-07
WO2006078594A1 (en) 2006-07-27
US20080137736A1 (en) 2008-06-12
CN101107863A (zh) 2008-01-16

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